{"title":"基于MEMS的惠斯通电桥型电阻式智能传感器的低偏置、低噪声、可变增益接口电路及其灵敏度和偏置补偿新方案","authors":"Anupam Dutta, T. K. Bhattacharyya","doi":"10.1109/VLSID.2011.39","DOIUrl":null,"url":null,"abstract":"A fully-analog, on-chip, low input offset, low noise, variable gain instrumentation amplifier with a new scheme for nonlinear and dynamic temperature compensation of sensor sensitivity and offset, is designed in 0.18?m commercial CMOS process. The system has a scalable system bandwidth up to 5kHz, a dynamic range of 84dB, and a maximum gain of 104dB. All the sensor non idealities and CMOS process mismatch have been incorporated in simulation. Using this interfacing circuit, a smart MEMS piezoresistive accelerometer has been designed subsequently.","PeriodicalId":371062,"journal":{"name":"2011 24th Internatioal Conference on VLSI Design","volume":"95 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Low Offset, Low Noise, Variable Gain Interfacing Circuit with a Novel Scheme for Sensor Sensitivity and Offset Compensation for MEMS Based, Wheatstone Bridge Type, Resistive Smart Sensor\",\"authors\":\"Anupam Dutta, T. K. Bhattacharyya\",\"doi\":\"10.1109/VLSID.2011.39\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A fully-analog, on-chip, low input offset, low noise, variable gain instrumentation amplifier with a new scheme for nonlinear and dynamic temperature compensation of sensor sensitivity and offset, is designed in 0.18?m commercial CMOS process. The system has a scalable system bandwidth up to 5kHz, a dynamic range of 84dB, and a maximum gain of 104dB. All the sensor non idealities and CMOS process mismatch have been incorporated in simulation. Using this interfacing circuit, a smart MEMS piezoresistive accelerometer has been designed subsequently.\",\"PeriodicalId\":371062,\"journal\":{\"name\":\"2011 24th Internatioal Conference on VLSI Design\",\"volume\":\"95 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-01-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2011 24th Internatioal Conference on VLSI Design\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/VLSID.2011.39\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 24th Internatioal Conference on VLSI Design","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VLSID.2011.39","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Low Offset, Low Noise, Variable Gain Interfacing Circuit with a Novel Scheme for Sensor Sensitivity and Offset Compensation for MEMS Based, Wheatstone Bridge Type, Resistive Smart Sensor
A fully-analog, on-chip, low input offset, low noise, variable gain instrumentation amplifier with a new scheme for nonlinear and dynamic temperature compensation of sensor sensitivity and offset, is designed in 0.18?m commercial CMOS process. The system has a scalable system bandwidth up to 5kHz, a dynamic range of 84dB, and a maximum gain of 104dB. All the sensor non idealities and CMOS process mismatch have been incorporated in simulation. Using this interfacing circuit, a smart MEMS piezoresistive accelerometer has been designed subsequently.
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